vscode用户代码片段设置多个快捷键

{
  "For Loop": {
    "prefix": ["for", "for-const"],
    "body": ["for (const ${2:element} of ${1:array}) {", "\t$0", "}"],
    "description": "A for loop."
  }
}

其中$0是在$1,$2输入完后，按tab，会返回到$0所在的位置，即占位符$0总在最后一个出现

https://code.visualstudio.com/docs/editor/userdefinedsnippets